CN220185369U - Water ring type vacuum pump for producing polyurethane - Google Patents
Water ring type vacuum pump for producing polyurethane Download PDFInfo
- Publication number
- CN220185369U CN220185369U CN202320935942.3U CN202320935942U CN220185369U CN 220185369 U CN220185369 U CN 220185369U CN 202320935942 U CN202320935942 U CN 202320935942U CN 220185369 U CN220185369 U CN 220185369U
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- CN
- China
- Prior art keywords
- vacuum pump
- water ring
- filter screen
- connecting sleeve
- sealing frame
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 18
- 239000004814 polyurethane Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims description 20
- 239000000428 dust Substances 0.000 abstract description 20
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a water ring type vacuum pump for producing polyurethane, which comprises a water ring type vacuum pump body, wherein one side of the water ring type vacuum pump body is connected with an air inlet pipe, a filter screen is arranged in the air inlet pipe, a connecting sleeve is fixed on one side wall of the air inlet pipe, an electric push rod is arranged in the connecting sleeve, and a sealing frame is arranged at the output end of the electric push rod. The beneficial effects are that: according to the utility model, by arranging the electric push rod, the sealing frame, the electrostatic generator and the electrostatic adsorption plate, when impurities on the filter screen need to be cleaned, the electric push rod adjusts the electrostatic adsorption plate to the upper part of the filter screen through the sealing frame, and at the moment, the electrostatic generator and the electrostatic adsorption plate are combined to adsorb dust on the filter screen, so that the dust is transferred to the surface of the electrostatic adsorption plate, the filter screen can be self-cleaned, the filtering performance of the filter screen is ensured, and the practicability and the service life of the device are improved.
Description
Technical Field
The utility model relates to the technical field of water ring vacuum pumps, in particular to a water ring vacuum pump for producing polyurethane.
Background
At present, when polyurethane is produced, a water ring type vacuum pump is often used, and the water ring type vacuum pump is a vacuum pump for pumping underground methane, and is high in negative pressure, low in flow, suitable for mines with small pumping capacity and high in required pumping negative pressure, and initially used as a self-priming water pump. The pump consists of an impeller, a pump body, an air suction and exhaust disc, a water ring formed by water on the inner wall of the pump body, an air suction port, an air exhaust port, an auxiliary exhaust valve and the like, and a proper amount of water is filled in the pump body as working fluid. When the impeller rotates clockwise, water is thrown around by the impeller, and due to the centrifugal force, the water forms a closed circular ring with approximately equal thickness, which is determined by the shape of the pump cavity. The lower inner surface of the water ring is just tangential to the impeller hub, and the upper inner surface of the water ring is just in contact with the blade tips. At this time, a crescent space is formed between the impeller hub and the water ring, and the space is divided into a plurality of small cavities with the same number as the blades by the impeller. If the lower part of the impeller is used as a starting point, the volume of the small cavity is changed from small to large when the impeller rotates for 180 degrees before the impeller rotates, and the small cavity is communicated with the air suction port on the end surface, at the moment, air is sucked, and when the air suction is finished, the small cavity is isolated from the air suction port; when the impeller continues to rotate, the small cavity is changed from large to small, so that the gas is compressed; when the small cavity is communicated with the exhaust port, the gas is exhausted out of the pump.
The patent number is CN202123004851.8 discloses a production polyurethane water ring type vacuum pump, concretely relates to water ring type vacuum pump technical field, its technical scheme is: including the water ring formula vacuum pump body, be equipped with the induction port on the water ring formula vacuum pump body, dust removal structure is installed to the inner wall of induction port, dust removal structure includes fixed mounting at the first filter component and the clearance subassembly of induction port inner wall, and clearance subassembly is located the top of first filter component, the one end of clearance subassembly with the top of first filter component contacts, dust collection subassembly is all installed at the both ends of induction port, and dust collection subassembly is located the both sides of first filter component, clearance subassembly includes sealed box.
The above-mentioned patent is in the use, through filtering the gas that flows into in the water ring formula vacuum pump body, have the effect of avoiding the dust to flow into in the water ring formula vacuum pump, thereby can improve the life of water ring formula vacuum pump, but in actual operation in-process, because collection dirt subassembly and induction port are the intercommunication state, and then the vacuum pump also can produce suction to the vacuum tube in the collection dirt subassembly, the dust of clearance can not flow into collection dirt subassembly's vacuum tube this moment in, can still gather on the filter screen, result in collecting the dust performance and can not realize, result in the device practicality lower.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the current state of the art, the utility model provides the water ring type vacuum pump for producing polyurethane, which can automatically remove ash and ensure the filtering performance of a filter screen and the service life of a pump body.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a water ring type vacuum pump for producing polyurethane, which comprises a water ring type vacuum pump body, wherein one side of the water ring type vacuum pump body is connected with an air inlet pipe, a filter screen is arranged in the air inlet pipe, a connecting sleeve is fixed on one side wall of the air inlet pipe, an electric push rod is arranged in the connecting sleeve, a sealing frame is arranged at the output end of the electric push rod, the sealing frame is of an H-shaped structure, an electrostatic generator is arranged at the upper end of the sealing frame, an electrostatic adsorption plate is arranged at the bottom end of the sealing frame, and a collecting box is arranged at the bottom end of the connecting sleeve.
Further, the air inlet pipe is formed on the water ring type vacuum pump body, and the filter screen is connected with the air inlet pipe through screws.
Through adopting above-mentioned technical scheme, the water ring formula vacuum pump body is through the intake pipe is taken out gas, and in the extraction process, the impurity of carrying in the gas is filtered to the filter screen.
Further, the connecting sleeve is welded with the air inlet pipe, and the electric push rod is connected with the connecting sleeve through a screw.
By adopting the technical scheme, the electric push rod provides power for the sealing frame to enable the sealing frame to move.
Further, the sealing frame is connected with the output end of the electric push rod through a screw, and the sealing frame is connected with the connecting sleeve in a sliding mode.
By adopting the technical scheme, the sealing frame can seal one end of the connecting sleeve.
Further, the electrostatic generator is connected with the sealing frame through a screw, the electrostatic adsorption plate is connected with the sealing frame through a screw, and the electrostatic adsorption plate is electrically connected with the electrostatic generator.
Through adopting above-mentioned technical scheme, electrostatic generator with the electrostatic adsorption board combines together can be right dust on the filter screen adsorbs, and then shifts it to electrostatic adsorption board surface can be right the filter screen carries out self-cleaning, guarantees the filtration performance of filter screen, improves device practicality and life.
Further, the collecting box is connected with the connecting sleeve through threads.
Through adopting above-mentioned technical scheme, transfer the back of accomplishing, electric putter drives the seal frame resets, at this moment static generator outage, the dust on static adsorption plate surface relies on self gravity to fall in collect the box collects.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
in order to solve the problem that the dust collection performance cannot be realized due to the fact that the cleaned dust still cannot flow into the vacuum tube of the dust collection assembly and is still accumulated on the filter screen in the actual operation process of the conventional water ring type vacuum pump for producing polyurethane, as the dust collection assembly and the air suction port are in a communication state, the vacuum pump can also generate suction force to the vacuum tube in the dust collection assembly, and the device has low practicability.
Drawings
FIG. 1 is a schematic diagram of a water ring vacuum pump for producing polyurethane according to the present utility model;
fig. 2 is a front cross-sectional view of an air inlet pipe and a connecting sleeve in a water ring vacuum pump for producing polyurethane according to the present utility model.
The reference numerals are explained as follows:
1. a water ring vacuum pump body; 2. a connecting sleeve; 3. an air inlet pipe; 4. a collection box; 5. a sealing frame; 6. an electrostatic generator; 7. an electric push rod; 8. an electrostatic adsorption plate; 9. and (5) a filter screen.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-2, a water ring vacuum pump for polyurethane production in this embodiment, including water ring vacuum pump body 1, water ring vacuum pump body 1 one side is connected with intake pipe 3, install filter screen 9 in the intake pipe 3, water ring vacuum pump body 1 is through intake pipe 3 to gaseous extraction, in the extraction process, filter screen 9 filters the impurity of carrying in the gas, be fixed with connecting sleeve 2 on intake pipe 3 lateral wall, install electric putter 7 in connecting sleeve 2, electric putter 7 makes its removal for sealing frame 5 provides power, be provided with sealing frame 5 on the output of electric putter 7, sealing frame 5 is H type structure, sealing frame 5 can seal connecting sleeve 2 one end, sealing frame 5 upper end is provided with static generator 6, static adsorption plate 8 is installed to sealing frame 5 bottom, static generator 6 and static adsorption plate 8 combine together can adsorb the dust on the filter screen 9, and then shift it to static adsorption plate 8 surface, can carry out self-cleaning to filter screen 9, guarantee the filtering quality of filter screen 9, connecting sleeve 2 is provided with collecting box 4 bottom, electric putter 5 is reset at this moment, electric putter 5 is reset at the time, the collecting box is reset to the static generator 4 is carried out to static generator 5, the static electricity collector plate is reset at the time, the collecting box is reset to the static generator 4 is reset to the static collector plate is reset to the static generator 8.
As shown in fig. 1-2, in this embodiment, an air inlet pipe 3 is formed on a water ring vacuum pump body 1, a filter screen 9 is connected with the air inlet pipe 3 by screws, a connecting sleeve 2 is welded with the air inlet pipe 3, and an electric push rod 7 is connected with the connecting sleeve 2 by screws.
As shown in fig. 1-2, in this embodiment, the output ends of the sealing frame 5 and the electric push rod 7 are connected by screws, the sealing frame 5 is slidably connected with the connecting sleeve 2, the static generator 6 is connected with the sealing frame 5 by screws, the static absorbing plate 8 is electrically connected with the static generator 6, and the collecting box 4 is connected with the connecting sleeve 2 by threads.
The specific implementation process of this embodiment is as follows: the device is connected with an external electric control mechanism, in the use process, the water ring type vacuum pump body 1 extracts gas through the air inlet pipe 3, in the extraction process, the filter screen 9 filters the impurity carried in the gas, when the impurity on the filter screen 9 needs to be cleaned, the electric putter 7 adjusts the electrostatic adsorption plate 8 to the upper part of the filter screen 9 through the sealing frame 5, at the moment, the electrostatic generator 6 and the electrostatic adsorption plate 8 are combined to adsorb the dust on the filter screen 9, and then the dust is transferred to the surface of the electrostatic adsorption plate 8, the filter screen 9 can be self-cleaned, the filtering performance of the filter screen 9 is ensured, after the transfer is completed, the electric putter 7 drives the sealing frame 5 to reset, at the moment, the electrostatic generator 6 is powered off, and the dust on the surface of the electrostatic adsorption plate 8 falls on the collecting box 4 by means of self gravity.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A water ring vacuum pump for producing polyurethane, characterized in that: including water ring formula vacuum pump body (1), water ring formula vacuum pump body (1) one side is connected with intake pipe (3), install filter screen (9) in intake pipe (3), be fixed with connecting sleeve (2) on intake pipe (3) a lateral wall, install electric putter (7) in connecting sleeve (2), be provided with seal frame (5) on the output of electric putter (7), seal frame (5) are H type structure, seal frame (5) upper end is provided with electrostatic generator (6), electrostatic adsorption board (8) are installed to seal frame (5) bottom, connecting sleeve (2) bottom is provided with collects box (4).
2. A water ring vacuum pump for producing polyurethane as defined in claim 1 wherein: the air inlet pipe (3) is formed on the water ring type vacuum pump body (1), and the filter screen (9) is connected with the air inlet pipe (3) through screws.
3. A water ring vacuum pump for producing polyurethane as defined in claim 1 wherein: the connecting sleeve (2) is welded with the air inlet pipe (3), and the electric push rod (7) is connected with the connecting sleeve (2) through screws.
4. A water ring vacuum pump for producing polyurethane as defined in claim 1 wherein: the sealing frame (5) is connected with the output end of the electric push rod (7) through a screw, and the sealing frame (5) is connected with the connecting sleeve (2) in a sliding mode.
5. A water ring vacuum pump for producing polyurethane as defined in claim 4 wherein: the static generator (6) is connected with the sealing frame (5) through a screw, the static adsorption plate (8) is connected with the sealing frame (5) through a screw, and the static adsorption plate (8) is electrically connected with the static generator (6).
6. A water ring vacuum pump for producing polyurethane as defined in claim 5 wherein: the collecting box (4) is connected with the connecting sleeve (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320935942.3U CN220185369U (en) | 2023-04-24 | 2023-04-24 | Water ring type vacuum pump for producing polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320935942.3U CN220185369U (en) | 2023-04-24 | 2023-04-24 | Water ring type vacuum pump for producing polyurethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185369U true CN220185369U (en) | 2023-12-15 |
Family
ID=89099124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320935942.3U Active CN220185369U (en) | 2023-04-24 | 2023-04-24 | Water ring type vacuum pump for producing polyurethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185369U (en) |
-
2023
- 2023-04-24 CN CN202320935942.3U patent/CN220185369U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |